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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -amdgpu-spill-sgpr-to-vgpr=false -verify-machineinstrs -run-pass=si-lower-sgpr-spills,prologepilog -o - %s | FileCheck %s
# Check that we allocate 2 emergency stack slots if we're spilling
# SGPRs to memory and potentially have an offset larger than fits in
# the addressing mode of the memory instructions.
---
name: test
tracksRegLiveness: true
frameInfo:
maxAlignment: 4
stack:
- { id: 0, type: spill-slot, size: 4, alignment: 4, stack-id: sgpr-spill }
- { id: 1, size: 4096, alignment: 4 }
machineFunctionInfo:
isEntryFunction: false
scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
stackPtrOffsetReg: '$sgpr32'
frameOffsetReg: '$sgpr33'
hasSpilledSGPRs: true
body: |
bb.0:
liveins: $sgpr30_sgpr31, $sgpr10, $sgpr11
; CHECK-LABEL: name: test
; CHECK: liveins: $sgpr10, $sgpr11, $sgpr30_sgpr31
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_CMP_EQ_U32 0, 0, implicit-def $scc
; CHECK-NEXT: $sgpr4_sgpr5 = S_MOV_B64 $exec
; CHECK-NEXT: $exec = S_MOV_B64 1, implicit-def $vgpr1
; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.2, addrspace 5)
; CHECK-NEXT: $vgpr1 = V_WRITELANE_B32 killed $sgpr10, 0, undef $vgpr1
; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5)
; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.2, addrspace 5)
; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5, implicit killed $vgpr1
; CHECK-NEXT: $sgpr4_sgpr5 = S_MOV_B64 $exec
; CHECK-NEXT: $exec = S_MOV_B64 1, implicit-def $vgpr1
; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.2, addrspace 5)
; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 8, 0, 0, implicit $exec :: (load (s32) from %stack.0, addrspace 5)
; CHECK-NEXT: $sgpr10 = V_READLANE_B32 killed $vgpr1, 0
; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.2, addrspace 5)
; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr4_sgpr5, implicit killed $vgpr1
; CHECK-NEXT: S_SETPC_B64 $sgpr30_sgpr31, implicit $scc
S_CMP_EQ_U32 0, 0, implicit-def $scc
SI_SPILL_S32_SAVE killed $sgpr10, %stack.0, implicit $exec, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr32
renamable $sgpr10 = SI_SPILL_S32_RESTORE %stack.0, implicit $exec, implicit $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr32
S_SETPC_B64 $sgpr30_sgpr31, implicit $scc
...
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